DIN Standards Committee Pressurized Gas Installations
DIN EN ISO 11363-1
Gas cylinders - 17E and 25E taper threads for connection of valves to gas cylinders - Part 1: Specifications (ISO 11363-1:2010); German version EN ISO 11363-1:2010
Gasflaschen - 17E und 25E kegeliges Gewinde zur Verbindung von Ventilen mit Gasflaschen - Teil 1: Spezifikationen (ISO 11363-1:2010); Deutsche Fassung EN ISO 11363-1:2010
Overview
DIN EN ISO 11363-1 specifies dimensions and tolerances for taper screw threads of nominal diameter 17,4 mm (designated 17E) and 25,8 mm (designated 25E) used for the connection of valves to gas cylinders. It does not cover the connection requirements for: mechanical strength; gas tightness; capability of repeated assembly and dismounting operations. Gauge inspection is described in DIN EN ISO 11363-2.